bootinfo.c revision 1.1.2.2
1 1.1.2.2 bouyer /* $NetBSD: bootinfo.c,v 1.1.2.2 2011/03/05 15:09:54 bouyer Exp $ */ 2 1.1.2.2 bouyer 3 1.1.2.2 bouyer /*- 4 1.1.2.2 bouyer * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc. 5 1.1.2.2 bouyer * All rights reserved. 6 1.1.2.2 bouyer * 7 1.1.2.2 bouyer * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 bouyer * by Jonathan Stone, Michael Hitch and Simon Burge. 9 1.1.2.2 bouyer * 10 1.1.2.2 bouyer * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 bouyer * modification, are permitted provided that the following conditions 12 1.1.2.2 bouyer * are met: 13 1.1.2.2 bouyer * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 bouyer * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 bouyer * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 bouyer * documentation and/or other materials provided with the distribution. 18 1.1.2.2 bouyer * 19 1.1.2.2 bouyer * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 bouyer * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 bouyer * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 bouyer * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 bouyer * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 bouyer * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 bouyer * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 bouyer * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 bouyer * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 bouyer * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 bouyer * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 bouyer */ 31 1.1.2.2 bouyer 32 1.1.2.2 bouyer #include <machine/types.h> 33 1.1.2.2 bouyer #include <lib/libsa/stand.h> 34 1.1.2.2 bouyer #include <lib/libkern/libkern.h> 35 1.1.2.2 bouyer 36 1.1.2.2 bouyer #include "boot.h" 37 1.1.2.2 bouyer #include "bootinfo.h" 38 1.1.2.2 bouyer 39 1.1.2.2 bouyer static char *bootinfo = NULL; 40 1.1.2.2 bouyer static char *bi_next; 41 1.1.2.2 bouyer static int bi_size; 42 1.1.2.2 bouyer 43 1.1.2.2 bouyer char * 44 1.1.2.2 bouyer bi_init(void) 45 1.1.2.2 bouyer { 46 1.1.2.2 bouyer struct btinfo_common *bi; 47 1.1.2.2 bouyer struct btinfo_magic bi_magic; 48 1.1.2.2 bouyer 49 1.1.2.2 bouyer if ((bootinfo = (char *)alloc(BOOTINFO_SIZE)) != NULL) { 50 1.1.2.2 bouyer bi = (struct btinfo_common *)bootinfo; 51 1.1.2.2 bouyer bi->next = bi->type = 0; 52 1.1.2.2 bouyer bi_next = bootinfo; 53 1.1.2.2 bouyer bi_size = 0; 54 1.1.2.2 bouyer 55 1.1.2.2 bouyer bi_magic.magic = BOOTINFO_MAGIC; 56 1.1.2.2 bouyer bi_add(&bi_magic, BTINFO_MAGIC, sizeof(bi_magic)); 57 1.1.2.2 bouyer } 58 1.1.2.2 bouyer 59 1.1.2.2 bouyer return bootinfo; 60 1.1.2.2 bouyer } 61 1.1.2.2 bouyer 62 1.1.2.2 bouyer void bi_add(void *new, int type, int size) 63 1.1.2.2 bouyer { 64 1.1.2.2 bouyer struct btinfo_common *bi; 65 1.1.2.2 bouyer 66 1.1.2.2 bouyer if (bi_size + size > BOOTINFO_SIZE) 67 1.1.2.2 bouyer return; /* XXX error? */ 68 1.1.2.2 bouyer 69 1.1.2.2 bouyer if (bootinfo != NULL) { 70 1.1.2.2 bouyer DPRINTF(("Adding %d of size %d @0x%lx\n", 71 1.1.2.2 bouyer type, size, (u_long)bi_next)); 72 1.1.2.2 bouyer 73 1.1.2.2 bouyer bi = new; 74 1.1.2.2 bouyer bi->next = size; 75 1.1.2.2 bouyer bi->type = type; 76 1.1.2.2 bouyer memcpy(bi_next, new, size); 77 1.1.2.2 bouyer bi_next += size; 78 1.1.2.2 bouyer 79 1.1.2.2 bouyer bi = (struct btinfo_common *)bi_next; 80 1.1.2.2 bouyer bi->next = bi->type = 0; 81 1.1.2.2 bouyer 82 1.1.2.2 bouyer bi_size += size; 83 1.1.2.2 bouyer } 84 1.1.2.2 bouyer } 85
Indexes created Wed Oct 29 03:09:52 GMT 2025